Answer:
b =-2
Step-by-step explanation:
-3b+7=13
Subtract 7 from each side
-3b+7-7=13-7
-3b = 6
Divide each side by -3
-3b/-3 = 6/-3
b = -2
2 - b.
3 - a.
I'm not sure about 4. Hope this helps!
10.58-.75=(.83+.58)-.75
9.83=1.41-.75
9.83=.66
The mean is not needed to make a box plot.
I hoped this helped!
